15132866213 has 2 divisors, whose sum is σ = 15132866214. Its totient is φ = 15132866212.

The previous prime is 15132866191. The next prime is 15132866227. The reversal of 15132866213 is 31266823151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10429924129 + 4702942084 = 102127^2 + 68578^2 .

It is a cyclic number.

It is not a de Polignac number, because 15132866213 - 2²⁰ = 15131817637 is a prime.

It is a super-2 number, since 2×15132866213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15132868213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7566433106 + 7566433107.

It is an arithmetic number, because the mean of its divisors is an integer number (7566433107).

Almost surely, 2^15132866213 is an apocalyptic number.

It is an amenable number.

15132866213 is a deficient number, since it is larger than the sum of its proper divisors (1).

15132866213 is an equidigital number, since it uses as much as digits as its factorization.

15132866213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The spelling of 15132866213 in words is "fifteen billion, one hundred thirty-two million, eight hundred sixty-six thousand, two hundred thirteen".